so i think obama relates to that. the other thing is that, you know, that great relationship between adams and jefferson, they almost detested each other at one point. but the important thing to know is that they came together at the end. they had this wonderful correspondence. and barack obama, who's dealing with this polarized congress, a country that's fractured in all sorts of ways, that gives you a little bit of a sense of what the founders were able to do in that generation. they felt bound in a way that our political leaders don't. chris: these top historians will predict toby's chris: welcome back to this special show with four presidential experts who want to ask them to make a single prediction about the president's second term. president barack obama himself noted recently that second terms can be difficult. >> i'm more than familiar with all the literature about presidential overreach and second terms. we are very cautious about that. chris: jon, what do you think his biggest problem will be? >> can he mak